103 lines
2.9 KiB
Go
103 lines
2.9 KiB
Go
package api
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import (
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"encoding/json"
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"errors"
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"strconv"
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"git.nemunai.re/checkhome/struct"
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"github.com/julienschmidt/httprouter"
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)
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func init() {
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router.GET("/api/tags", apiHandler(func (_ httprouter.Params, _ []byte) (interface{}, error) {
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return ckh.GetTags()
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}))
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router.POST("/api/tags", apiHandler(newTag))
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router.DELETE("/api/tags", apiHandler(func (_ httprouter.Params, _ []byte) (interface{}, error) {
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return ckh.ClearTags()
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}))
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router.GET("/api/tags/:tid", apiHandler(tagHandler(func (tag ckh.Tag, _ []byte) (interface{}, error) {
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return tag, nil
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})))
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router.PUT("/api/tags/:tid", apiHandler(tagHandler(updateTag)))
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router.DELETE("/api/tags/:tid", apiHandler(tagHandler(func (tag ckh.Tag, _ []byte) (interface{}, error) {
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if _, err := tag.Delete(); err != nil {
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return nil, err
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} else {
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return map[string]int{}, nil
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}
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})))
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// Item's tags
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router.GET("/api/items/:iid/tags", apiHandler(itemHandler(func (item ckh.Item, _ []byte) (interface{}, error) {
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return item.GetTags()
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})))
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router.DELETE("/api/items/:iid/tags", apiHandler(itemHandler(func (item ckh.Item, _ []byte) (interface{}, error) {
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return item.ClearItemTags()
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})))
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router.PUT("/api/items/:iid/tags/:tid", apiHandler(itemTagHandler(func (item ckh.Item, tag ckh.Tag, _ []byte) (interface{}, error) {
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_, err := tag.AddItem(item)
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return tag, err
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})))
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router.DELETE("/api/items/:iid/tags/:tid", apiHandler(itemTagHandler(func (item ckh.Item, tag ckh.Tag, _ []byte) (interface{}, error) {
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return tag.DeleteItem(item)
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})))
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}
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func tagHandler(f func(ckh.Tag, []byte) (interface{}, error)) func(httprouter.Params, []byte) (interface{}, error) {
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return func(ps httprouter.Params, body []byte) (interface{}, error) {
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if tid, err := strconv.ParseInt(string(ps.ByName("tid")), 10, 64); err != nil {
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return nil, err
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} else if tag, err := ckh.GetTag(tid); err != nil {
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return nil, err
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} else {
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return f(tag, body)
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}
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}
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}
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func itemTagHandler(f func(ckh.Item, ckh.Tag, []byte) (interface{}, error)) func(httprouter.Params, []byte) (interface{}, error) {
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return func(ps httprouter.Params, body []byte) (interface{}, error) {
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return itemHandler(func (item ckh.Item, _ []byte) (interface{}, error) {
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return tagHandler(func (tag ckh.Tag, _ []byte) (interface{}, error) {
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return f(item, tag, body)
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})(ps, body)
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})(ps, body)
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}
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}
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func newTag(_ httprouter.Params, body []byte) (interface{}, error) {
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var ut ckh.Tag
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if err := json.Unmarshal(body, &ut); err != nil {
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return nil, err
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}
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if len(ut.Label) == 0 {
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return nil, errors.New("Tag's label cannot be empty")
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}
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return ckh.NewTag(ut.Label)
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}
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func updateTag(tag ckh.Tag, body []byte) (interface{}, error) {
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var ut ckh.Tag
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if err := json.Unmarshal(body, &ut); err != nil {
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return nil, err
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}
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if len(ut.Label) == 0 {
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return nil, errors.New("Tag's label cannot be empty")
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}
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ut.Id = tag.Id
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if _, err := ut.Update(); err != nil {
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return nil, err
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} else {
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return ut, nil
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}
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}
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